US10757236B2 - Handheld system for three-dimensional scanning with a smartphone - Google Patents
Handheld system for three-dimensional scanning with a smartphone Download PDFInfo
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- US10757236B2 US10757236B2 US16/097,311 US201716097311A US10757236B2 US 10757236 B2 US10757236 B2 US 10757236B2 US 201716097311 A US201716097311 A US 201716097311A US 10757236 B2 US10757236 B2 US 10757236B2
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- smartphone
- rear face
- concavity
- bridge device
- dimensional scanning
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- 238000013461 design Methods 0.000 abstract description 2
- 230000013011 mating Effects 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 description 10
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- 238000000034 method Methods 0.000 description 3
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/041—Allowing quick release of the apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/04—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains, e.g. rifle butt or pistol grip supports, supports attached to the chest or head
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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- H04N5/2253—
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Definitions
- the present invention relates to an improved handheld system for three-dimensional scanning with a smartphone.
- the present invention relates to a system that enables to apply in a compact and ergonomic way a sensor for the optical detection of objects, in particular the three-dimensional scanning, to a smartphone, enabling it to control its main functions with one hand.
- the peculiar features of this system include the simplicity of mating with the smartphone and the ergonomic design that allows it to be used with one hand.
- Peripherals for smartphones are known, which connect to the latter through the classic micro-USB port or equivalent.
- An example is the external batteries.
- peripheral connects through USB or equivalent cables, and those who use the smartphone must hold the phone with one hand and with the other they must hold the external device, unless it is made rest on other support such as a pocket.
- a patent application US 2013/0069381 A1 is known to conveniently handle a smartphone or other handheld electronic device. It is made up of a kind of arch handle that connects in a removable way to a cover for the handheld device. The cover in turn hooks mechanically to the handheld device by hooking up its edges. The arm will be inserted into the arc handle until the latter is in contrast to the wrist and the hand will engage the edge of the cover. Obviously, the user will need the other hand to intergrate with the handheld device. Also, beyond the grip, the described device does not include sensors or data communication. Using this hardware would require that the grip be made to direct the sensor properly and should take into account the weights at stake. In any case, two hands would be required to use the overall system.
- the device described in US 2012/0320340 A1 is basically an adapter to connect a ophthalmoscope to the camera of a smartphone, so that the two are optically in line.
- the adapter is connected to a handle that supports the smartphone-ophthalmoscope set with one hand while the other is free to drive the same set to locate it more precisely with the patient's optical axis or interact with the smartphone's touch screen. Two hands are still indispensable, and the adapter needs a cover to connect to the smartphone, the USB jack being fixed to the cover and not the body of the ophthalmoscope.
- the object of the present invention is to provide a system that solves the problems and overcomes the drawbacks of the prior art.
- FIG. 1 shows an embodiment of the device according to the invention, in a position attached to the smartphone in a perspective view;
- FIG. 2 shows an exploded perspective view of the device of FIG. 1 ;
- FIG. 3 shows a perspective view of the device of FIG. 1 in a position wherein it is detached from the smartphone
- FIG. 4 shows a perspective view of the device of FIG. 1 in a first step of the connection to the smartphone;
- FIG. 5 shows a detail of the device of FIG. 1 connected to the smartphone, in a plane view
- FIG. 6 shows a perspective view of the device according to the invention, without the smartphone
- FIG. 7 shows a detail of the connection means of the device of FIG. 1 ;
- FIG. 8 shows a detail of the device according to the invention connected to a power supply cable (not shown) for charging;
- FIG. 9 shows a side view of the device according to the invention attached to the smartphone.
- FIG. 10 shows in detail the micro-USB connection system, lightening connector or analog of a side view of the device according to the invention, not attached to the smartphone;
- FIG. 11 is a first perspective view of the device used according to the invention.
- FIG. 12 is a second front view of the device used according to the invention.
- FIG. 1 shows the scanning system (or more generally a peripheral) A mounted and connected to the smartphone T.
- the smartphone T has a front face (not visible) and a rear face TP opposite to the front face, both of which are the broader faces.
- System A includes or consists of an elongated bridge element.
- said outer peripheral is an elongated bridge element 3 , 4 with a first end A 1 and a second end A 2 opposite to the first end A 1 , connected together by a body so as to form a “C”.
- FIG. 2 shows the explosion of the system A, in which it is seen that the sensor S is enclosed between the mechanical elements 3 and 4 , whose junction may be of a sealed type, by means of suitable sealing O-rings.
- the sensor S can be, for example, a three-dimensional scanner (e.g.
- the object to be detected (relevant physical parameters) can be animate or inanimate or it can be about to detect signals or parameters from the environment or part of it.
- Element 4 is in the shape of “C” or bridge, in the following we will see that this has a technical consequence. As shown in FIG. 8 , element 4 comprises an internal electric accumulator (not shown) and at one of its two ends it accommodates socket C for charging such an accumulator.
- Element 4 generally comprises removable connection means to slide or mechanical guide 2 .
- connection means comprise grain (headless screws) G having a spring ball (the spring makes bias and the sphere remains just outside one end of the grain), which allow a better coupling between the mechanical element 4 and the slide 2 , mounted on cover 1 of the smartphone.
- the plurality of locking elements G (even more generally according to the invention, it will be referred to as removable engagement means G for engagement to said mechanical guide 2 ) is thus constituted in an embodiment by a spring-type ball-shaped grains, wherein each sphere is configured to engage with a respective concavity of said plurality of concavities 7 .
- Element 4 at the other end houses connector 5 , secured to the optimum position for coupling with the micro-USB socket or equivalent of the smartphone.
- Element B crushes connector 5 , by means of two screws, onto the J element that closes the end.
- the element J is in turn secured by means of screws at the end of the element 4 .
- the coupling between the mechanical elements J and 4 can also be of a sealed type.
- the system according to the invention may include a smartphone cover to which a sliding guide 2 is attached, as well as an external device A.
- a smartphone cover to which a sliding guide 2 is attached, as well as an external device A.
- the device (external peripheral) A connects to both the slide guide or micro-USB jack or equivalent of the smartphone.
- FIGS. 3, 4, 5 and 6 illustrate the method of coupling between system A and mobile phone T, provided with cover 1 with slide guide 2 .
- System A is slid longitudinally along the back of cover 1 until it meets slide guide 2 .
- system A is aligned with the smartphone T so that the system connector 5 is plugged into the micro-USB socket (or equivalent, depending on the smartphone brand) 6 of the smartphone.
- the coupling between system A and the smartphone is completed when the spring-type ball-shaped grains fall into the respective cavities of slide guide 2 . This ensures a balanced coupling and avoids excessive stress at the junction point between connector 5 and socket 6 .
- FIG. 6 shows the alignment with the slide in a different perspective view (from below).
- FIG. 7 illustrates in greater detail element 4 wherein socket C for recharge of the internal battery and the spring-type ball-shaped G are housed.
- FIG. 8 illustrates the coupling between the jack K (micro-USB or equivalent), which comes from a suitable power supply, and the socket C of the system A for charging the battery inside the device A (or rigidly connected to it). It is clear that charging occurs when device A is not connected to the smartphone. In an embodiment, socket C may also not be present, because element 4 is recharged from the smartphone through the micro-USB socket. In a different embodiment, element 4 recharges the smartphone since it is provided with a more powerful battery.
- FIGS. 9 and 10 illustrate the ergonomic shape of system A so that it can be controlled by one hand. Let us number the fingers from 1 to 5 from thumb to litter finger. The technical concept is to start with the classic handgrip of the phone, clamped between the tips of the fingers and the thumb, to get a secure grip and at the same time the ability to operate on the touchscreen of the smartphone with the thumb.
- the bridge shape of the element 4 allows the insertion of the fingers 2 , 3 and 4 in the region M between the cover 1 and the element 4 .
- the shape of the region P of the element 4 is such as to form a concavity PC that allows the passage of the fifth finger outside the bridge M (the concavity PC being turned in a direction D approximately parallel to the back face of the smartphone and moving away from the space M downwards (when the smartphone points its USB socket towards the ground)).
- element J in section F allows the mechanical stresses to be discharged on the system structure, avoiding excessive stress on connector 5 and socket 6 .
- the “C”-shaped groove F 2 (open towards the smartphone connection direction) on the jack 5 provides stability compared to the lower end of the phone, while the square groove F 1 (optional) provides stability because it engages with the section of the phone cover 1 .
- FIGS. 11 and 12 illustrate the particular handle of the system, which allows easy control of the functions of the device by engaging a single hand.
- said mechanical guide 2 and said bridge elongated device 3 , 4 have a weight distribution such that the center of gravity of the overall system constituted by the use of the three-dimensional scan system 2 , 3 , 4 and the smartphone T falls on a plane substantially parallel to said rear face TP and intersecting said concavity PC. This ensures that the overall system can be used with one hand for hours without effort.
- the smartphone weights on the market are known and therefore the distribution of weights of the three-dimensional scanning system according to the invention can be calculated a priori for each model.
- the above parallel plan includes essentially the direction D, and therefore falls right or substantially at the center of the cavity PC and substantially along the fingertips of the holding hand.
- the system according to the invention it is possible to provide a smartphone with an external peripheral that remain in a position that is fixed and determined a priori with respect to the other internal devices of the smartphone.
- the particular innovative shape of the container of the outer peripheral according to the invention allows to hold the smartphone+peripheral assembly with one hand and then to use that complex for large-scale detection methods, for example in, but not limited to, precision zootechnics field.
- the present invention allows to hold the smartphone and the detection system firmly with one hand, allowing access to all available features on the touch screen using the thumb of the same hand.
- the other hand is free to hold the stick, carry other tools, or allow the operator to lean.
Abstract
The system according to the present invention enables a sensor to be applied compactly and economically, in particular for a three-dimensional scan to a smartphone, enabling it to control its main functions with one hand. The peculiar features of this system include the simplicity of mating with the smartphone and the ergonomic design that allows it to be used with one hand.
Description
This application is the 35 U.S.C. § 371 national stage application of PCT Application No. PCT/IB2017/052460, filed Apr. 28, 2017, where the PCT claims the priority to and benefit of Italian Patent Application No. 102016000043942, filed Apr. 29, 2016, both of which are herein incorporated by reference in their entireties.
The present invention relates to an improved handheld system for three-dimensional scanning with a smartphone.
More in detail, the present invention relates to a system that enables to apply in a compact and ergonomic way a sensor for the optical detection of objects, in particular the three-dimensional scanning, to a smartphone, enabling it to control its main functions with one hand. The peculiar features of this system include the simplicity of mating with the smartphone and the ergonomic design that allows it to be used with one hand.
Peripherals for smartphones are known, which connect to the latter through the classic micro-USB port or equivalent. An example is the external batteries.
However, this type of peripheral connects through USB or equivalent cables, and those who use the smartphone must hold the phone with one hand and with the other they must hold the external device, unless it is made rest on other support such as a pocket.
In all cases, the handiness of the smartphone-peripheral assembly is jeopardized. This is quite critical in those cases where the external peripheral has to work with internal peripherals for coordinated acquisitions.
Even when the external optical device is fast connected to the phone, the handiness and compactness of the assembly is compromised. In any case, two hands are required to operate on the device.
We refer in particular to the methods implemented on smartphones of patent applications WO2016020826 and PCT/IB/2016/051058 in the name of this Applicant, which are intended to use additional optical means that cooperate accurately and with the camera of the smartphones and with the software loaded thereon for precision animal husbandry surveys.
The use of these methods without the adequate connection of additional means to the smartphone is problematic and in any case inefficient for a large-scale industrial application.
A patent application US 2013/0069381 A1 is known to conveniently handle a smartphone or other handheld electronic device. It is made up of a kind of arch handle that connects in a removable way to a cover for the handheld device. The cover in turn hooks mechanically to the handheld device by hooking up its edges. The arm will be inserted into the arc handle until the latter is in contrast to the wrist and the hand will engage the edge of the cover. Obviously, the user will need the other hand to intergrate with the handheld device. Also, beyond the grip, the described device does not include sensors or data communication. Using this hardware would require that the grip be made to direct the sensor properly and should take into account the weights at stake. In any case, two hands would be required to use the overall system.
The device described in US 2012/0320340 A1 is basically an adapter to connect a ophthalmoscope to the camera of a smartphone, so that the two are optically in line. There is a data connection between the ophthalmoscope and the smartphone via a USB connection. The adapter is connected to a handle that supports the smartphone-ophthalmoscope set with one hand while the other is free to drive the same set to locate it more precisely with the patient's optical axis or interact with the smartphone's touch screen. Two hands are still indispensable, and the adapter needs a cover to connect to the smartphone, the USB jack being fixed to the cover and not the body of the ophthalmoscope.
The above-mentioned handle is therefore necessary based on the foregoing, i.e. the use of a sensor moves the weight distribution and aggravates even more the need to use two hands.
There is a need for a different sensor system connectable through physical and data connection to a smartphone in such a way that, in use, the set consisting of the sensor system and the smartphone can be manually operated with one hand in an easy and effective way for an extended period of time.
The object of the present invention is to provide a system that solves the problems and overcomes the drawbacks of the prior art.
It is subject-matter of the present invention a system according to the appended claims, which form an integral part of the present description.
The invention will now be described by way of illustration but not by way of limitation, with particular reference to the figures of the accompanying drawings, in which:
Wherever in this description and in the appended claims is included the case where the word “includes” is replaced by the word “consists of”. Moreover, elements of the embodiments can be extracted from the same and also used independently of the other elements and details.
The system according to the invention may include a smartphone cover to which a sliding guide 2 is attached, as well as an external device A. In other embodiments, there is no cover and the slide guide is attached directly to the outside surface of the phone. The device (external peripheral) A connects to both the slide guide or micro-USB jack or equivalent of the smartphone.
To this end, the bridge shape of the element 4 allows the insertion of the fingers 2, 3 and 4 in the region M between the cover 1 and the element 4. Moreover, the shape of the region P of the element 4 is such as to form a concavity PC that allows the passage of the fifth finger outside the bridge M (the concavity PC being turned in a direction D approximately parallel to the back face of the smartphone and moving away from the space M downwards (when the smartphone points its USB socket towards the ground)).
The special shape (optional) of element J in section F allows the mechanical stresses to be discharged on the system structure, avoiding excessive stress on connector 5 and socket 6. The “C”-shaped groove F2 (open towards the smartphone connection direction) on the jack 5 provides stability compared to the lower end of the phone, while the square groove F1 (optional) provides stability because it engages with the section of the phone cover 1.
It is here to be stated that said mechanical guide 2 and said bridge elongated device 3,4 have a weight distribution such that the center of gravity of the overall system constituted by the use of the three- dimensional scan system 2,3,4 and the smartphone T falls on a plane substantially parallel to said rear face TP and intersecting said concavity PC. This ensures that the overall system can be used with one hand for hours without effort.
Obviously, the smartphone weights on the market are known and therefore the distribution of weights of the three-dimensional scanning system according to the invention can be calculated a priori for each model. Alternatively, one can proceed to a weighing distribution that is directed to run at an average weight of a smartphone business range, and this is effective because in every range, the smartphones of different brands have a similar weight.
Preferably, the above parallel plan includes essentially the direction D, and therefore falls right or substantially at the center of the cavity PC and substantially along the fingertips of the holding hand.
With the system according to the invention, it is possible to provide a smartphone with an external peripheral that remain in a position that is fixed and determined a priori with respect to the other internal devices of the smartphone. In addition, the particular innovative shape of the container of the outer peripheral according to the invention allows to hold the smartphone+peripheral assembly with one hand and then to use that complex for large-scale detection methods, for example in, but not limited to, precision zootechnics field.
For example, if one wants to take three-dimensional shooting of a live animal, the technician must enter the enclosure and approach a few meters from the animal. Normally, technicians who have to approach these animals, for example to perform a body condition scoring, have a small stick, used as a deterrent to the animals themselves. This makes it impossible to control the operation of devices that require the use of two hands. Even in the case of devices that integrate one or more control buttons with a grip similar to that of a gun, interaction with the device is limited to the functions associated with the buttons.
The present invention allows to hold the smartphone and the detection system firmly with one hand, allowing access to all available features on the touch screen using the thumb of the same hand. The other hand is free to hold the stick, carry other tools, or allow the operator to lean.
In the foregoing, the preferred embodiments have been described and variants of the present invention have been suggested, but it is to be understood that those skilled in the art will be able to make modifications and changes without thereby falling outside the scope of protection as defined by the attached claims.
Claims (7)
1. A three-dimensional scanning system connectable to a smartphone and controllable via the smartphone user interface, provided with a front face and a rear face opposite to the front face, as well as a micro-USB or lightening port, wherein the three-dimensional scanning system comprises:
an elongated bridge device for three-dimensional scanning, which has a first end and a second end opposite to the first end, which are rigidly connected through a body to form a “C”;
a removable fastening means of said elongated bridge device for fastening it to said rear face or a cover for said rear face;
a micro-USB or lightening jack rigidly secured to said second end of said elongated bridge device for data connection with the smartphone;
a sensor for the three-dimensional scanning fixed to said body so that, in use, the sensor points in a direction away from said rear face or said cover; the three-dimensional scanning system being characterized in that:
the removable fastening means comprises:
a mechanical guide separated from said elongated bridge device and that can be fastened to said rear face or to the cover for said rear face;
a removable engagement means for engagement to said mechanical guide provided on said first end of said elongated bridge device;
said mechanical guide and said elongated bridge device are configured in such a way that, by making said removable engagement means slide along said rear face or said cover, said removable engagement means are rigidly connected to said mechanical guide, and said micro-USB or lightening jack is simultaneously inserted into said smartphone micro-USB or lightening port;
said elongated bridge device forms, in use, an empty space with said rear face of the smartphone, the empty space having dimensions such as to allow one or more fingers of one hand to be inserted;
said second end is configured to present a concavity facing a direction away from said empty space, said concavity being configured to receive at least partially an annular or little finger; and
said sensor is powered by a battery fixed to or enclosed in said body, wherein said mechanical guide and said elongated bridge device have a weight distribution such that the center of gravity of the overall system constituted, in use, by the three-dimensional scanning system and the smartphone falls on a plane parallel to said rear face and intersecting said concavity.
2. The system according to claim 1 , wherein said parallel plane substantially comprises the direction.
3. The system according to claim 1 , wherein:
said mechanical guide has a plurality of concavities on the surface not connected to said rear face; and
said first end has a plurality of locking elements configured to engage reversibly with said plurality of concavities.
4. The system according to claim 3 , wherein said plurality of locking elements are made of spring balls grains, each ball being capable of engaging with a respective concavity of said plurality of concavities.
5. The system according to claim 1 , wherein said second end has a first stabilization concavity on the surface wherein said micro-USB jack or equivalent inserts, the first stabilization concavity being configured to mate in shape with the corresponding surface of said smartphone, to provide mechanical stability.
6. The system according to claim 5 , wherein said second end has a second stabilization concavity near said first stabilization concavity configured to couple with the corresponding cover surface in order to provide mechanical stability.
7. The system according to claim 1 , wherein said first end is provided with a socket for charging, when not in use, said battery.
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ITUA2016A003003A ITUA20163003A1 (en) | 2016-04-29 | 2016-04-29 | Improved handheld system for three-dimensional scanning from a smartphone. |
IT102016000043942 | 2016-04-29 | ||
PCT/IB2017/052460 WO2017187393A1 (en) | 2016-04-29 | 2017-04-28 | Improved handheld system for three-dimensional scanning with a smartphone |
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EP (1) | EP3449170B1 (en) |
CN (1) | CN109154417B (en) |
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RU2769491C1 (en) * | 2021-04-26 | 2022-04-01 | Федеральное Государственное Бюджетное Учреждение "Национальный Медицинский Исследовательский Центр Оториноларингологии Федерального Медико-Биологического Агентства" (Фгбу Нмицо Фмба России) | Adapter for attaching a smartphone to a slit lamp |
CN114811390B (en) * | 2022-04-24 | 2023-10-24 | 宁家楠 | Handheld mapping device for urban planning and application method thereof |
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- 2017-04-28 US US16/097,311 patent/US10757236B2/en active Active
- 2017-04-28 EP EP17725774.8A patent/EP3449170B1/en active Active
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RU2018137943A (en) | 2020-05-29 |
CN109154417B (en) | 2020-10-20 |
DK3449170T3 (en) | 2020-06-15 |
ITUA20163003A1 (en) | 2017-10-29 |
WO2017187393A8 (en) | 2017-12-21 |
EP3449170B1 (en) | 2020-03-11 |
EP3449170A1 (en) | 2019-03-06 |
AU2017257445A1 (en) | 2018-12-06 |
ES2806949T3 (en) | 2021-02-19 |
RU2018137943A3 (en) | 2020-06-02 |
IL262615A (en) | 2018-12-31 |
RU2737423C2 (en) | 2020-11-30 |
PL3449170T3 (en) | 2020-11-16 |
CA3022031A1 (en) | 2017-11-02 |
US20200177720A1 (en) | 2020-06-04 |
WO2017187393A1 (en) | 2017-11-02 |
CN109154417A (en) | 2019-01-04 |
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